are not proficient in math, reading and science, and secretary of state condoleezza rice says that gap threatens national security. >> it's the level of writing skills, an likt skills that are coming out of our schools show reason for concern. the idea that you have to be able to write based on text, to write based on fact, to be able to analyze, these are the sorts of skills that even our best students are not acquiring. >> experts also say it's vital that the education system focus on the whole child and not just test scores and teaching to the test. >>> still ahead at 6:00, the meat shortage that farmers say is unavoidable. >> also, the middle east becomes a point of contention on the campaign trail as the white house tries to clarify some comments made by the president. >>> airport scan innners coming california. >>> a new study identifies four different types of breast cancer. coming up, i'll show you how this new information can benefit patients. >>> researchers have identified four genetically distinct types of breast cancer and doctors are already telling us how we might treat